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Byju's Answer
Standard XII
Chemistry
Relation between Kp and Kc
NO(g) + O_3(g...
Question
N
O
(
g
)
+
O
3
(
g
)
→
N
O
3
(
g
)
+
O
(
g
)
N
O
3
(
g
)
+
O
(
g
)
→
N
O
2
(
g
)
+
O
2
(
g
)
(a) Write the overall reaction.
(b) Identify reaction intermediate.
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Solution
Step (i),
N
O
+
O
3
⟶
N
O
3
+
O
Step (ii),
N
O
3
+
O
⟶
N
O
2
+
O
2
Overall,
N
O
+
O
3
⟶
N
O
2
+
O
2
So, intermediate is
N
O
3
in presence of nascent oxygen
[
O
]
.
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Similar questions
Q.
Consider this reaction:
2
N
O
2
(
g
)
+
O
3
(
g
)
⟶
N
2
O
5
(
g
)
+
O
2
(
g
)
The reaction of nitrogen dioxide and ozone represented is first order in
N
O
2
(
g
)
and in
O
3
(
g
)
. Which of these possible reaction mechanisms is consistent with the rate law?
Mechanism I:
N
O
2
(
g
)
+
O
3
(
g
)
⟶
N
O
3
(
g
)
+
O
2
(
g
)
(slow)
N
O
3
(
g
)
+
N
O
2
(
g
)
⟶
N
2
O
5
(
g
)
(fast)
Mechanism II:
O
3
(
g
)
⇌
O
2
(
g
)
+
[
O
]
(fast)
N
O
2
(
g
)
+
[
O
]
(
g
)
⟶
N
O
3
(
g
)
(slow)
N
O
3
(
g
)
+
N
O
2
(
g
)
⟶
N
2
O
5
(
g
)
(fast)
Q.
Select the intermediate in the following reaction mechanism:
O
3
(
g
)
⇌
O
2
(
g
)
+
O
(
g
)
O
(
g
)
+
O
3
(
g
)
→
2
O
2
Q.
A certain reaction occurs in the following steps.
(i)
C
l
(
g
)
+
O
3
(
g
)
→
C
l
O
(
g
)
+
O
2
(
g
)
(ii)
C
l
O
(
g
)
+
O
(
g
)
→
C
l
(
g
)
+
O
2
(
g
)
Identify the reaction intermediate and write the chemical equation for overall reaction.
Q.
Identify the molecularity and write the rate law for each of the following elementary reactions:
(a)
N
O
(
g
)
+
O
3
(
g
)
⟶
N
O
3
(
g
)
+
O
(
g
)
(b)
H
2
I
(
g
)
+
I
(
g
)
⟶
2
H
I
(
g
)
(c)
C
l
(
g
)
+
C
l
(
g
)
+
N
2
(
g
)
⟶
C
l
2
(
g
)
+
N
2
(
g
)
Q.
N
O
(
g
)
+
O
3
(
g
)
→
N
O
2
(
g
)
+
O
2
(
g
)
t
r
i
a
n
g
l
e
H
=
−
198.9
k
J
/
m
o
l
O
3
(
g
)
→
3
/
2
O
2
(
g
)
△
H
=
−
142.3
k
J
/
m
o
l
O
2
(
g
)
→
2
O
(
g
)
△
H
=
+
495.0
k
J
/
m
o
l
The enthalpy change
(
△
H
)
for the following reaction is
N
O
(
g
)
+
O
(
g
)
→
N
O
2
(
g
)
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